
.card-text{
    font-size: 18px;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; -webkit-font-smoothing: antialiased;    
    line-height: 1.7em;
    text-indent: 1.5em;
    li { margin-left: 2.5em; text-indent: 0em;}
}
.mathjax-block{text-align: center;}



p { line-height: inherit; text-align: justify;}
h1, h2, h3, h4, h5, h6 { break-after: avoid-page; break-inside: avoid; orphans: 4; }
p { orphans: 4; }
h1 { font-size: 2rem; }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.6rem; }
h4 { font-size: 1.4rem; }
h5 { font-size: 1.2rem; }
h6 { font-size: 1rem; }
a {
    color: #4183C4;
}
h1,
h2,
h3,
h4,
h5,
h6 {
    position: relative;
    margin-top: 1rem;
    margin-bottom: 1rem;
    font-weight: bold;
    line-height: 1.4;
    cursor: text;
}

h2 {
    font-size: 1.75em;
    line-height: 1.225;
    border-bottom: 1px solid #eee;
}

sup{
    font-size: 0.8rem;
}

img{
    text-indent: 0em;
    max-width: 820px;
}
/** initialize css counter */
#write, .sidebar-content,.md-toc-content {
    counter-reset: h2
}

#write h2, .outline-h2, .md-toc-item.md-toc-h2 {
    counter-reset: h3
}

#write h3, .outline-h3, .md-toc-item.md-toc-h3 {
    counter-reset: h4
}

#write h4, .outline-h4, .md-toc-item.md-toc-h4 {
    counter-reset: h5
}

#write h5, .outline-h5, .md-toc-item.md-toc-h5 {
    counter-reset: h6
}

/** put counter result into headings */
#write h2:before, 
h2.md-focus.md-heading:before,
.outline-h2>.outline-item>.outline-label:before,
.md-toc-item.md-toc-h2>.md-toc-inner:before{
    counter-increment: h2;
    content: counter(h2) ". "
}

#write h3:before, 
h3.md-focus.md-heading:before,
.outline-h3>.outline-item>.outline-label:before,
.md-toc-item.md-toc-h3>.md-toc-inner:before{
    counter-increment: h3;
    content: counter(h2) "." counter(h3) " "
}

#write h4:before,
h4.md-focus.md-heading:before,
.outline-h4>.outline-item>.outline-label:before,
.md-toc-item.md-toc-h4>.md-toc-inner:before {
    counter-increment: h4;
    content: counter(h2) "." counter(h3) "." counter(h4) " "
}

#write h5:before,
h5.md-focus.md-heading:before,
.outline-h5>.outline-item>.outline-label:before,
.md-toc-item.md-toc-h5>.md-toc-inner:before  {
    counter-increment: h5;
    content: counter(h2) "." counter(h3) "." counter(h4) "." counter(h5) " "
}

#write h6:before,
h6.md-focus.md-heading:before,
.outline-h6>.outline-item>.outline-label:before,
.md-toc-item.md-toc-h6>.md-toc-inner:before  {
    counter-increment: h6;
    content: counter(h2) "." counter(h3) "." counter(h4) "." counter(h5) "." counter(h6) " "
}